78442240

素因数分解:

$2^8\times 5^1\times {\mathrm{61283}}^1$

素因数の和:61304

約数の個数: 36

約数和(自身を含む): 187896744

約数和(自身を除く): 109454504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 61283, 122566, 245132, 306415, 490264, 612830, 980528, 1225660, 1961056, 2451320, 3922112, 4902640, 7844224, 9805280, 15688448, 19610560, 39221120, 78442240]

約数ペア:

[(1, 78442240), (2, 39221120), (4, 19610560), (5, 15688448), (8, 9805280), (10, 7844224), (16, 4902640), (20, 3922112), (32, 2451320), (40, 1961056), (64, 1225660), (80, 980528), (128, 612830), (160, 490264), (256, 306415), (320, 245132), (640, 122566), (1280, 61283)]